/*
 * Copyright © 2013-2019 camunda services GmbH and various authors (info@camunda.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.camunda.bpm.engine.impl.cmd;

import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureWhitelistedResourceId;

import java.io.Serializable;

import org.camunda.bpm.engine.identity.User;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.UserEntity;
import org.camunda.bpm.engine.pwpolicy.PasswordPolicy;

/**
 * @author Joram Barrez
 */
public class SaveUserCmd extends AbstractWritableIdentityServiceCmd<Void> implements Command<Void>, Serializable {
  
  private static final long serialVersionUID = 1L;
  protected UserEntity user;
  private boolean skipPasswordPolicy;
  
  public SaveUserCmd(User user) {
    this(user, false);
  }
  
  public SaveUserCmd(User user, boolean skipPasswordPolicy) {
    this.user = (UserEntity) user;
    this.skipPasswordPolicy = skipPasswordPolicy;
  }
  
  protected Void executeCmd(CommandContext commandContext) {
    ensureNotNull("user", user);
    ensureWhitelistedResourceId(commandContext, "User", user.getId());
    
    if(!skipPasswordPolicy && !commandContext.getProcessEngineConfiguration().isDisablePasswordPolicy()) {
      PasswordPolicy policy = commandContext.getProcessEngineConfiguration().getPasswordPolicy();
      user.checkPasswordAgainstPolicy(policy);
    }
    
    commandContext
      .getWritableIdentityProvider()
      .saveUser(user);

    return null;
  }
}
